de.hybris.platform.acceleratorservices.config.impl.DefaultHostConfigService.java Source code

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Here is the source code for de.hybris.platform.acceleratorservices.config.impl.DefaultHostConfigService.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2014 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 *
 *  
 */
package de.hybris.platform.acceleratorservices.config.impl;

import de.hybris.platform.acceleratorservices.config.ConfigLookup;
import de.hybris.platform.acceleratorservices.config.HostConfigService;
import de.hybris.platform.commerceservices.enums.UiExperienceLevel;
import de.hybris.platform.acceleratorservices.uiexperience.UiExperienceService;
import de.hybris.platform.servicelayer.config.ConfigurationService;

import org.apache.commons.configuration.Configuration;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.util.Assert;

/**
 * Default implementation of the HostConfigService.
 * Uses the hybris config service to lookup host specific properties.
 */
public class DefaultHostConfigService implements HostConfigService {
    private ConfigurationService configurationService;
    private UiExperienceService uiExperienceService;

    protected ConfigurationService getConfigurationService() {
        return configurationService;
    }

    @Required
    public void setConfigurationService(final ConfigurationService configurationService) {
        this.configurationService = configurationService;
    }

    protected UiExperienceService getUiExperienceService() {
        return uiExperienceService;
    }

    @Required
    public void setUiExperienceService(final UiExperienceService uiExperienceService) {
        this.uiExperienceService = uiExperienceService;
    }

    @Override
    public String getProperty(final String property, final String hostname) {
        Assert.notNull(property, "property must not be null");
        Assert.notNull(hostname, "hostname must not be null");

        final Configuration configuration = getConfigurationService().getConfiguration();

        // Try the host and UiExperience
        final UiExperienceLevel uiExperienceLevel = getUiExperienceService().getUiExperienceLevel();
        if (uiExperienceLevel != null) {
            final String key = property + "." + hostname + "." + uiExperienceLevel.getCode();
            final String propertyValue = configuration.getString(key, null);
            if (propertyValue != null) {
                return propertyValue;
            }
        }

        // Try the host on its own
        {
            final String key = property + "." + hostname;
            final String propertyValue = configuration.getString(key, null);
            if (propertyValue != null) {
                return propertyValue;
            }
        }

        // Try the UiExperience on its own
        if (uiExperienceLevel != null) {
            final String key = property + "." + uiExperienceLevel.getCode();
            final String propertyValue = configuration.getString(key, null);
            if (propertyValue != null) {
                return propertyValue;
            }
        }

        // Fallback to the property key only
        return configuration.getString(property, null);
    }

    @Override
    public ConfigLookup getConfigForHost(final String hostname) {
        return new HostConfigLookup(this, hostname);
    }

    public class HostConfigLookup extends AbstractConfigLookup {
        private final HostConfigService hostConfigService;
        private final String hostname;

        public HostConfigLookup(final HostConfigService hostConfigService, final String hostname) {
            this.hostConfigService = hostConfigService;
            this.hostname = hostname;
        }

        @Override
        protected String getProperty(final String property) {
            return hostConfigService.getProperty(property, hostname);
        }
    }
}